Finding the Third Proportional to 91,158 and 195,942

Step by Step Solution

1. Step 1: Write the proportion equation
   91,158 : 195,942 = 195,942 : x
2. Step 2: Convert to fraction form
   91,158/195,942 = 195,942/x
3. Step 3: Cross multiply
   91,158x = 195,942 × 195,942
4. Step 4: Simplify right side
   91,158x = 38,393,267,364
5. Step 5: Solve for x
   x = 38,393,267,364/91,158
6. Step 6: Final answer
   x = 421,172.77